Thanks. Yeah. My idea concerning UDP was to substitute a websocket to the front end with a the backend converting to/from whatever the server expects.
On Thu, Jan 17, 2019 at 1:28 PM Dahlia Trimble <dahliatrim...@gmail.com> wrote: > There's a file that is part of the viewer distribution: > message_template.msg which defines the UDP packet layouts. There's some > minimal documentation on the SL wiki at > http://wiki.secondlife.com/wiki/Protocol > > libopenmetaverse has a protocol analysis tool: wingridproxy.exe which can > intercept, display, and modify various messages sent over UDP and HTTP > between the viewer and the server. It may not be fully updated to the > latest protocols used in SL but may still work with OpenSImulator. > > If you're planning on creating a web-capable viewer you wont be able to use > much of these protocols as web browsers cannot support UDP. You'll need to > use something else. > > On Thu, Jan 17, 2019 at 11:40 AM Adam Frisby <a...@deepthink.com.au> > wrote: > > > Yeah - I don't know if anyone has done it since my time, but yes - there > > was very little documentation of it. > > > > If my memory serves me correctly; there was a packet description file > > served by the viewer, which we then compiled into C# classes (either > > automated or by hand, I forget) which went into libOMV. > > > > Unfortunately I think a lot of the real knowledge was on IRC which has > > been lost to time. Broadly speaking much of the protocol makes implicit > > sense; two things are in my memory though as being challenging to > discover. > > > > The first was the packet acknowledgement system, it relies on a lot of > > arcane timing for it to work correctly, and the second was they use a > > custom RLE scheme called ZLE which is RLE but for zero values only. > > > > That said, if you're really serious about redeveloping the protocol - > > tweaking this one is not a good idea. There's a lot of good free options > - > > RakNet is now free and open source, for example, and is behind a *lot* of > > games and MMOs. > > > > Netcode is hard. Flee in terror. > > > > Adam > > > > -----Original Message----- > > From: opensim-users-boun...@opensimulator.org < > > opensim-users-boun...@opensimulator.org> On Behalf Of Marcus Llewellyn > > Sent: Thursday, 17 January 2019 12:00 PM > > To: opensim-users@opensimulator.org > > Subject: Re: [Opensim-users] looking for full viewer-server API and > > communication details. > > > > To my knowledge, the protocol has never really been documented. Those > that > > knew it well have either moved onto other pursuits or (sadly) passed > away. > > > > In this case, a good place to look is at libopenmetaverse. It is a C# > > implementation of the protocol (and other things), and in this case the > > code and some samples might serve as documentation of a sort. You can > find > > it at the following link: > > https://github.com/openmetaversefoundation/libopenmetaverse ( > > > https://link.getmailspring.com/link/1547686550.local-639449c7-58b0-v1.5.5-b7939...@getmailspring.com/0?redirect=https%3A%2F%2Fgithub.com%2Fopenmetaversefoundation%2Flibopenmetaverse&recipient=b3BlbnNpbS11c2Vyc0BvcGVuc2ltdWxhdG9yLm9yZw%3D%3D > > ) > > > > On Jan 16 2019, at 5:16 pm, Serendipity Seraph <seren.ser...@gmail.com> > > wrote: > > > I looked briefly at code for the Singularity Viewer but it was not > > > obvious what the API calls and information flows are in their > > > fullness. What document defines the full API and communication details > > > between opnensim/SL clients and servers? I have looked via Google a > > > few times without much certainty I have found the right stuff. > > > > > > Thanks! > > > _______________________________________________ > > > Opensim-users mailing list > > > Opensim-users@opensimulator.org > > > http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-users > > > > > > > _______________________________________________ > > Opensim-users mailing list > > Opensim-users@opensimulator.org > > http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-users > > _______________________________________________ > > Opensim-users mailing list > > Opensim-users@opensimulator.org > > http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-users > > > _______________________________________________ > Opensim-users mailing list > Opensim-users@opensimulator.org > http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-users > _______________________________________________ Opensim-users mailing list Opensim-users@opensimulator.org http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-users
